Home / 939,804,910.41-1,296,854,861.27-543,353,453.49

Finding the Fourth Proportional to 939,804,910.41, 1,296,854,861.27 and 543,353,453.49

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Solution

The fourth proportional to 939,804,910.41, 1,296,854,861.27 and 543,353,453.49 is: 749,783,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,804,910.41 : 1,296,854,861.27 = 543,353,453.49 : x
  2. Step 2: Convert to fraction form
    939,804,910.41/1,296,854,861.27 = 543,353,453.49/x
  3. Step 3: Cross multiply
    939,804,910.41x = 1,296,854,861.27 × 543,353,453.49
  4. Step 4: Simplify right side
    939,804,910.41x = 704,650,567,543,632,640
  5. Step 5: Solve for x
    x = 704,650,567,543,632,640/939,804,910.41
  6. Step 6: Final answer
    x = 749,783,875.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.